JCE (Botswana) Plant Reproduction — practice questions

Explore 2 free Plant Reproduction questions in JCE (Botswana) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Plant Reproduction questions and exercises with answers

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What is the transfer of pollen from a stamen to a stigma called?Read the answer and worked solution →A flower has been pollinated. What must still happen before a seed can form?Read the answer and worked solution →

Worked practice questions

What is the transfer of pollen from a stamen to a stigma called?

Fertilisation
Pollination
Germination
Respiration

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Correct answer: B. Pollination

1. The stamen of a flower makes pollen, which carries the male sex cells. 2. The stigma is the part that receives pollen. 3. Moving pollen from stamen to stigma is called pollination. 4. Wind, water and animals such as bees can all carry the pollen there. _Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), Pollination_

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A flower has been pollinated. What must still happen before a seed can form?

The petals must fall off
The stem must grow taller
The leaves must turn green
Two sex cells must join

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Correct answer: D. Two sex cells must join

1. Pollination only delivers the pollen grain to the stigma. 2. The pollen grain then grows a tube down through the style to the ovary. 3. A male sex cell travels down that tube to reach an ovule. 4. The male and female sex cells fuse together, and this is fertilisation. 5. Only after fertilisation does the fertilised egg grow into a seed. 6. Petals falling and stems growing are not needed for a seed to form. _Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), Fertilisation_